Targeting Display With Predictive Lead Indicator for Moving Targets
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Solution Overview
Problem
Existing targeting solutions for infantry weapons fail to accurately aim at moving targets due to the need for the user to anticipate target movement, leading to inaccuracies in shots.
Innovation Solution
A method and device that display a main indicator superimposed on the scene, measure distance and target speed, determine an aiming position anticipating target movement, and display a secondary indicator to compensate for angular movement, ballistic rise, and wind speed, enhancing accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a clear viewfinder is used for targeting, then the infantryman can maintain good perception of the overall situation and aim with both eyes open, but the solution presents limitations when the target is in motion requiring manual anticipation of movement
Solution Approach 1:
The system performs preliminary actions by automatically calculating and displaying the future position of the moving target before the projectile reaches it. The secondary indicator is positioned in advance at the anticipated target location, eliminating the need for the infantryman to manually anticipate movement while maintaining clear viewfinder advantages.
Solution Approach 2:
The patent introduces a secondary indicator as an intermediary element between the main indicator and the moving target. This secondary indicator automatically accounts for target movement, projectile speed, and distance to provide the infantryman with a precise aiming reference without requiring manual calculation or sacrificing overall situation awareness.
2Device complexity
If the infantryman manually anticipates target movement when aiming, then no additional automated systems are needed, but this leads to inaccuracies in shots taken
Solution Approach 1:
The system performs preliminary calculations of target position, projectile trajectory, and impact timing automatically. The secondary indicator is pre-positioned at the future target location based on calculated parameters, providing accurate aiming assistance without requiring complex manual computations by the infantryman.
Solution Approach 2:
The patent utilizes parameter changes by dynamically adjusting the secondary indicator position based on real-time variations in target speed, distance, and projectile velocity. This automated parameter adjustment ensures accurate shot placement without requiring the infantryman to manually account for multiple changing variables.
3Measurement precision
If a secondary indicator is displayed to compensate for target movement, then firing accuracy is improved, but the device complexity increases with additional calculation and display components
Solution Approach 1:
The patent applies universality by integrating multiple functions into the existing clear viewfinder system. The same optical assembly that provides clear viewing also displays the secondary indicator, and the calculation unit leverages existing distance measurement and target recognition capabilities to derive additional aiming information without requiring completely separate systems.
Solution Approach 2:
The secondary indicator is nested within the existing clear viewfinder display architecture. The additional aiming information is superimposed on the direct view of the scene through the same optical path, allowing the enhanced functionality to be contained within the original device structure rather than requiring external additions.
Data Source
AI summary
A method for assisting with firing at a moving target, includes the steps of: displaying in a targeting window, superimposed onto the direct view of a scene, a main indicator creating a firing axis of a firing system; measuring a distance between the main indicator and a target in the scene; determining the speed of movement of the target; determining a targeting position, in the targeting window, anticipating an angular movement of the target relative to the firing axis, as a function of the speed of movement of the target, the speed of a projectile and the measured distance; and displaying, in the targeting window, a secondary indicator at the determined targeting position.